diff options
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp | 7 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/bitcast-constant-to-vector.ll | 38 |
2 files changed, 42 insertions, 3 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp index 9823dd7709d..ad0a9e388af 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp @@ -3817,9 +3817,10 @@ SDValue AMDGPUTargetLowering::PerformDAGCombine(SDNode *N, if (Src.getValueType() == MVT::i64) { SDLoc SL(N); uint64_t CVal = C->getZExtValue(); - return DAG.getNode(ISD::BUILD_VECTOR, SL, DestVT, - DAG.getConstant(Lo_32(CVal), SL, MVT::i32), - DAG.getConstant(Hi_32(CVal), SL, MVT::i32)); + SDValue BV = DAG.getNode(ISD::BUILD_VECTOR, SL, MVT::v2i32, + DAG.getConstant(Lo_32(CVal), SL, MVT::i32), + DAG.getConstant(Hi_32(CVal), SL, MVT::i32)); + return DAG.getNode(ISD::BITCAST, SL, DestVT, BV); } } diff --git a/llvm/test/CodeGen/AMDGPU/bitcast-constant-to-vector.ll b/llvm/test/CodeGen/AMDGPU/bitcast-constant-to-vector.ll new file mode 100644 index 00000000000..ea5f01fbda0 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/bitcast-constant-to-vector.ll @@ -0,0 +1,38 @@ +; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s + +; GCN-LABEL: {{^}}cast_constant_i64_to_build_vector_v4i16: +; GCN: global_store_dwordx2 +; GCN: global_store_dword v +; GCN: global_store_short +define amdgpu_kernel void @cast_constant_i64_to_build_vector_v4i16(i8 addrspace(1)* nocapture %data) { +entry: + store i8 72, i8 addrspace(1)* %data, align 1 + %arrayidx1 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 1 + store i8 101, i8 addrspace(1)* %arrayidx1, align 1 + %arrayidx2 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 2 + store i8 108, i8 addrspace(1)* %arrayidx2, align 1 + %arrayidx3 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 3 + store i8 108, i8 addrspace(1)* %arrayidx3, align 1 + %arrayidx4 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 4 + store i8 111, i8 addrspace(1)* %arrayidx4, align 1 + %arrayidx5 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 5 + store i8 44, i8 addrspace(1)* %arrayidx5, align 1 + %arrayidx6 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 6 + store i8 32, i8 addrspace(1)* %arrayidx6, align 1 + %arrayidx7 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 7 + store i8 87, i8 addrspace(1)* %arrayidx7, align 1 + %arrayidx8 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 8 + store i8 111, i8 addrspace(1)* %arrayidx8, align 1 + %arrayidx9 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 9 + store i8 114, i8 addrspace(1)* %arrayidx9, align 1 + %arrayidx10 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 10 + store i8 108, i8 addrspace(1)* %arrayidx10, align 1 + %arrayidx11 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 11 + store i8 100, i8 addrspace(1)* %arrayidx11, align 1 + %arrayidx12 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 12 + store i8 33, i8 addrspace(1)* %arrayidx12, align 1 + %arrayidx13 = getelementptr inbounds i8, i8 addrspace(1)* %data, i64 13 + store i8 72, i8 addrspace(1)* %arrayidx13, align 1 + ret void +} + |
